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White-breasted Babbler Stachyris grammiceps

JustificationThis species has a highly restricted and fragmented range, being limited to a small number of remnant forested sites on Java. It is likely to be declining moderately rapidly owing to on-going habitat loss in many areas. Nevertheless, it remains common in suitable sites, and apparently benefits from low levels of forest disturbance. It is currently considered Near Threatened, and should be carefully monitored.

Distribution and populationStachyris grammiceps is restricted to Java, Indonesia, where it is known from 22 sites, largely in the western part of the island (van Balen et al. 2005). It is common within suitable habitats, and is one of the commonest birds on Gunung Halimum, with a density calculated at 332 birds per km2 in primary and slightly disturbed forest between 750 and 1,100 m (van Balen et al. 2005). However, it has declined or disappeared from a number of historic strongholds as a result of the clearance and fragmentation of forests.

Population justificationThe global population size has not been quantified, but the species is described as often common in suitable habitat (del Hoyo et al. 2007).

Trend justificationThis species has declined or disappeared from a number of historical sites, and is suspected to be declining at a moderately rapid rate throughout much of its range as a result of on-going forest clearance.

EcologyThis species is found in lowland and hill forest at 30-1,500 m, but mostly below 1,000 m. It is commonest in forests with some degree of degradation, allowing increased luxuriant lower growth around light-gaps and edges (van Balen et al. 2005). It is mainly found in rugged, sloping areas with steep topography.

ThreatsLowland forests on Java are now drastically reduced and fragmented as a result of logging and conversion to agriculture. Remaining areas of habitat continue to be threatened by development, as well as increasing encroachment and disturbance from expanding human populations. Even remote sites such as Gunung Halimum are now under increased pressure from human activities (van Balen et al. 2005).

Conservation Actions UnderwayNo targeted conservation actions are known for this species.

Recommended citation
BirdLife International (2015) Species factsheet: Stachyris grammiceps. Downloaded from
http://www.birdlife.org on 04/03/2015.
Recommended citation for factsheets for more than one species: BirdLife International (2015) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 04/03/2015.

This information is based upon, and updates, the information published in BirdLife International (2000)
Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004)
Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife